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144234310331 = 317503454277
BaseRepresentation
bin1000011001010100001…
…0001110101010111011
3111210021221022010112202
42012111002032222323
54330342440412311
6150132121500415
713264155260246
oct2062502165273
9453257263482
10144234310331
1156195565171
1223b5394170b
13107a7bc1877
146da3b3625d
153b4282be3b
hex219508eabb

144234310331 has 4 divisors (see below), whose sum is σ = 144235082112. Its totient is φ = 144233538552.

The previous prime is 144234310327. The next prime is 144234310387. The reversal of 144234310331 is 133013432441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 144234310331 - 22 = 144234310327 is a prime.

It is a super-2 number, since 2×1442343103312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144234310294 and 144234310303.

It is not an unprimeable number, because it can be changed into a prime (144234310391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90365 + ... + 544641.

It is an arithmetic number, because the mean of its divisors is an integer number (36058770528).

Almost surely, 2144234310331 is an apocalyptic number.

144234310331 is a deficient number, since it is larger than the sum of its proper divisors (771781).

144234310331 is an equidigital number, since it uses as much as digits as its factorization.

144234310331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771780.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 144234310331 its reverse (133013432441), we get a palindrome (277247742772).

The spelling of 144234310331 in words is "one hundred forty-four billion, two hundred thirty-four million, three hundred ten thousand, three hundred thirty-one".

Divisors: 1 317503 454277 144234310331